+The version of TCP with the new ``slow-start,'' round-trip time estimation,
+and congestion control
+algorithms has been tested extensively, and is included in the current
+Berkeley ``Tahoe'' test release.
+It has been adopted by many vendors of 4.2BSD- and 4.3BSD-derived
+networking software.
+Additional performance experiments have been done by
+Van Jacobson of the Lawrence Berkeley Laboratory,
+and several additional performance improvements are ready
+to be merged into the Berkeley TCP.
+.pp